src/com/android/browser/BrowserDownloadAdapter.java

   1 /*
   2  * Copyright (C) 2007 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 package com.android.browser;
  19
  20 import android.content.ContentUris;
  21 import android.content.ContentValues;
  22 import android.content.Context;
  23 import android.content.Intent;
  24 import android.content.pm.PackageManager;
  25 import android.content.pm.ResolveInfo;
  26 import android.content.res.Resources;
  27 import android.database.Cursor;
  28 import android.drm.mobile1.DrmRawContent;
  29 import android.graphics.drawable.Drawable;
  30 import android.net.Uri;
  31 import android.provider.Downloads;
  32 import android.text.format.Formatter;
  33 import android.view.View;
  34 import android.widget.ImageView;
  35 import android.widget.ProgressBar;
  36 import android.widget.ResourceCursorAdapter;
  37 import android.widget.TextView;
  38
  39 import java.io.File;
  40 import java.text.DateFormat;
  41 import java.util.Date;
  42 import java.util.List;
  43
  44 /**
  45  * This class is used to represent the data for the download list box. The only
  46  * real work done by this class is to construct a custom view for the line
  47  * items.
  48  */
  49 public class BrowserDownloadAdapter extends ResourceCursorAdapter {
  50
  51     private int mFilenameColumnId;
  52     private int mTitleColumnId;
  53     private int mDescColumnId;
  54     private int mStatusColumnId;
  55     private int mTotalBytesColumnId;
  56     private int mCurrentBytesColumnId;
  57     private int mMimetypeColumnId;
  58     private int mDateColumnId;
  59
  60     public BrowserDownloadAdapter(Context context, int layout, Cursor c) {
  61         super(context, layout, c);
  62         mFilenameColumnId = c.getColumnIndexOrThrow(Downloads._DATA);
  63         mTitleColumnId = c.getColumnIndexOrThrow(Downloads.TITLE);
  64         mDescColumnId = c.getColumnIndexOrThrow(Downloads.DESCRIPTION);
  65         mStatusColumnId = c.getColumnIndexOrThrow(Downloads.STATUS);
  66         mTotalBytesColumnId = c.getColumnIndexOrThrow(Downloads.TOTAL_BYTES);
  67         mCurrentBytesColumnId =
  68             c.getColumnIndexOrThrow(Downloads.CURRENT_BYTES);
  69         mMimetypeColumnId = c.getColumnIndexOrThrow(Downloads.MIMETYPE);
  70         mDateColumnId = c.getColumnIndexOrThrow(Downloads.LAST_MODIFICATION);
  71     }
  72
  73     @Override
  74     public void bindView(View view, Context context, Cursor cursor) {
  75         Resources r = context.getResources();
  76
  77         // Retrieve the icon for this download
  78         String mimeType = cursor.getString(mMimetypeColumnId);
  79         ImageView iv = (ImageView) view.findViewById(R.id.download_icon);
  80         if (DrmRawContent.DRM_MIMETYPE_MESSAGE_STRING.equalsIgnoreCase(mimeType)) {
  81             iv.setImageResource(R.drawable.ic_launcher_drm_file);
  82         } else if (mimeType == null) {
  83             iv.setVisibility(View.INVISIBLE);
  84         } else {
  85             Intent intent = new Intent(Intent.ACTION_VIEW);
  86             intent.setDataAndType(Uri.fromParts("file", "", null), mimeType);
  87             PackageManager pm = context.getPackageManager();
  88             List<ResolveInfo> list = pm.queryIntentActivities(intent,
  89                     PackageManager.MATCH_DEFAULT_ONLY);
  90             if (list.size() > 0) {
  91                 Drawable icon = list.get(0).activityInfo.loadIcon(pm);
  92                 iv.setImageDrawable(icon);
  93                 iv.setVisibility(View.VISIBLE);
  94             } else {
  95                 iv.setVisibility(View.INVISIBLE);
  96             }
  97         }
  98
  99         TextView tv = (TextView) view.findViewById(R.id.download_title);
 100         String title = cursor.getString(mTitleColumnId);
 101         if (title == null) {
 102             String fullFilename = cursor.getString(mFilenameColumnId);
 103             if (fullFilename == null) {
 104                 title = r.getString(R.string.download_unknown_filename);
 105             } else {
 106                 // We have a filename, so we can build a title from that
 107                 title = new File(fullFilename).getName();
 108                 ContentValues values = new ContentValues();
 109                 values.put(Downloads.TITLE, title);
 110                 // assume "_id" is the first column for the cursor
 111                 context.getContentResolver().update(
 112                         ContentUris.withAppendedId(Downloads.CONTENT_URI,
 113                         cursor.getLong(0)), values, null, null);
 114             }
 115         }
 116         tv.setText(title);
 117
 118         tv = (TextView) view.findViewById(R.id.domain);
 119         tv.setText(cursor.getString(mDescColumnId));
 120
 121         long totalBytes = cursor.getLong(mTotalBytesColumnId);
 122
 123         int status = cursor.getInt(mStatusColumnId);
 124         if (Downloads.isStatusCompleted(status)) { // Download stopped
 125             View v = view.findViewById(R.id.progress_text);
 126             v.setVisibility(View.GONE);
 127
 128             v = view.findViewById(R.id.download_progress);
 129             v.setVisibility(View.GONE);
 130
 131             tv = (TextView) view.findViewById(R.id.complete_text);
 132             tv.setVisibility(View.VISIBLE);
 133             if (Downloads.isStatusError(status)) {
 134                 tv.setText(getErrorText(status));
 135             } else {
 136                 tv.setText(r.getString(R.string.download_success,
 137                         Formatter.formatFileSize(mContext, totalBytes)));
 138             }
 139
 140             long time = cursor.getLong(mDateColumnId);
 141             Date d = new Date(time);
 142             DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);
 143             tv = (TextView) view.findViewById(R.id.complete_date);
 144             tv.setVisibility(View.VISIBLE);
 145             tv.setText(df.format(d));
 146
 147         } else { // Download is still running
 148             tv = (TextView) view.findViewById(R.id.progress_text);
 149             tv.setVisibility(View.VISIBLE);
 150
 151             View progress = view.findViewById(R.id.download_progress);
 152             progress.setVisibility(View.VISIBLE);
 153
 154             View v = view.findViewById(R.id.complete_date);
 155             v.setVisibility(View.GONE);
 156
 157             v = view.findViewById(R.id.complete_text);
 158             v.setVisibility(View.GONE);
 159
 160             if (status == Downloads.STATUS_PENDING) {
 161                 tv.setText(r.getText(R.string.download_pending));
 162             } else if (status == Downloads.STATUS_PENDING_PAUSED) {
 163                 tv.setText(r.getText(R.string.download_pending_network));
 164             } else {
 165                 ProgressBar pb = (ProgressBar) progress;
 166
 167                 StringBuilder sb = new StringBuilder();
 168                 if (status == Downloads.STATUS_RUNNING) {
 169                     sb.append(r.getText(R.string.download_running));
 170                 } else {
 171                     sb.append(r.getText(R.string.download_running_paused));
 172                 }
 173                 if (totalBytes > 0) {
 174                     long currentBytes = cursor.getLong(mCurrentBytesColumnId);
 175                     int progressAmount = (int)(currentBytes * 100 / totalBytes);
 176                     sb.append(' ');
 177                     sb.append(progressAmount);
 178                     sb.append("% (");
 179                     sb.append(Formatter.formatFileSize(mContext, currentBytes));
 180                     sb.append("/");
 181                     sb.append(Formatter.formatFileSize(mContext, totalBytes));
 182                     sb.append(")");
 183                     pb.setProgress(progressAmount);
 184                 } else {
 185                     pb.setIndeterminate(true);
 186                 }
 187                 tv.setText(sb.toString());
 188             }
 189         }
 190
 191     }
 192
 193     /**
 194      * Provide the resource id for the error string.
 195      * @param status status of the download item
 196      * @return resource id for the error string.
 197      */
 198     public static int getErrorText(int status) {
 199         switch (status) {
 200             case Downloads.STATUS_NOT_ACCEPTABLE:
 201                 return R.string.download_not_acceptable;
 202
 203             case Downloads.STATUS_LENGTH_REQUIRED:
 204                 return R.string.download_length_required;
 205
 206             case Downloads.STATUS_PRECONDITION_FAILED:
 207                 return R.string.download_precondition_failed;
 208
 209             case Downloads.STATUS_CANCELED:
 210                 return R.string.download_canceled;
 211
 212             case Downloads.STATUS_FILE_ERROR:
 213                 return R.string.download_file_error;
 214
 215             case Downloads.STATUS_BAD_REQUEST:
 216             case Downloads.STATUS_UNKNOWN_ERROR:
 217             default:
 218                 return R.string.download_error;
 219         }
 220     }
 221 }